Hurricane Prevention

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Cyclone Classification Catagories


How are cyclones classified?
The more common scale is the one for measuring typical likely damage. This is based on the Saffir-Simpson Hurricane Scale

CategoryWind gust speed/ SwellDamage
1less than 125km/h
1.2-1.6m
milddamage
2126-169km/h
1.7-2.5m
significantdamage to trees
3170 - 224km/h
2.6 -3.7
structuraldamage, power failures likely
4225 - 279 km/h
3.8-5.4
most roofing lost
5more than 280 km/h
more than 5.4m
almost total destruction
Cyclones are classified based on information from satellite images and uses a scale called the Dvorak Number going from 0 to 8.
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